Successful management of complex conditions such as systemic lupus erythematosus, SLE, and comorbid conditions benefit significantly from patient-reported outcomes (PRO) instruments that validly and precisely measure relevant aspects of health status (e.g., symptoms) and health related quality of life. Measuring health related quality of life and other aspects of health status (e.g., symptoms, functioning) with PROs provides SLE patients with an opportunity to participate in their treatment and to facilitate better communication with the multi-disciplinary team of health professionals involved in their care. Health outcomes research has produced a number of well-validated instruments that can be used across diseases whereas some have been specifically developed for SLE. The use of either a generic and SLE-specific PRO depends on the particular needs of a variety of clinical applications including population monitoring, treatment decision-making in clinical practice, clinical trials research, and for evaluating and comparing the effect of therapies across conditions, therapies, trials and patients in clinical research studies.